33
WAGNER Project Pro 119 - 0418C -
Troubleshooting / Maintenance
Problem
A. The sprayer does not start.
B. The sprayer starts but does not
draw in paint when the PRIME/
SPRAY knob is set to PRIME.
C. The sprayer draws up paint but
the pressure drops when the
gun is triggered.
D. The PRIME/SPRAY valve is on
SPRAY and there is flow through
the return tube.
E. The spray gun leaks.
F. The tip assembly leaks.
G. The spray gun will not spray.
H. The paint pattern is tailing.
Cause
1. The sprayer is not plugged in.
2. The ON/OFF switch is set to OFF.
3. The sprayer was turned off while still under
pressure.
4. No voltage is coming from the wall plug.
5. The extension cord is damaged or has too low
a capacity.
6. A fuse is blown in the sprayer.
7. There is a problem with the motor.
1. The unit will not prime properly or has lost
prime.
2. The paint bucket is empty or the suction tube
is not totally immersed in the paint.
3. The suction set is clogged.
4. The suction tube is loose at the inlet valve.
5. The inlet valve is stuck.
6. The inlet valve is worn or damaged.
7. The PRIME/SPRAY valve is plugged.
1. The spray tip is worn.
2. The inlet filter is clogged.
3. The gun filter is plugged.
4. The paint is too heavy or coarse.
5. The inlet valve assembly is damaged or worn.
1. The PRIME/SPRAY valve is dirty or worn.
1. Internal parts of the gun are worn or dirty.
1. The tip was assembled incorrectly.
2. A seal is dirty.
1. The spray tip or the gun filter is plugged.
2. The spray tip is in the reverse position.
1. The pressure is set too low.
2. The gun filter, the tip, or the suction filter is
plugged.
3. The suction tube is loose at the inlet valve.
4. The tip is worn.
5. The paint is too thick.
6. Pressure loss.
Solution
1. Plug the sprayer in.
2. Turn the ON/OFF switch to ON.
3. Slide the PressureTrac™ to maximum pressure (+), or
relieve pressure by turning the PRIME/SPRAY valve to
PRIME.
4. Properly test the power supply voltage.
5. Replace the extension cord.
6. Contact your sales point/ dealer.
7. Contact your sales point/ dealer.
1. Try to prime the unit again.
2. Refill the bucket or immerse the suction tube in paint.
3. Clean the suction set.
4. Clean the tube connection and tighten it securely.
5. Clean the inlet valve. Inlet may be stuck from old paint.
Operate Sureflo™ valve to release.
6. Install pump section refurbishing kit*.
7. Contact your sales point/ dealer.
1. Replace the spray tip with a new tip.*
2. Clean the inlet filter..
3. Clean or replace the proper filter. Always keep extra
filters on hand.
4. Thin or strain the paint.
5. Install pump section refurbishing kit*.
1. Contact your sales point/ dealer.
1. Contact your sales point/ dealer.
1. Check the tip assembly and assemble properly.
2. Clean the seal.
1. Clean the spray tip or gun filter.
2. Put the tip in the forward position.
1. Increase the pressure.
2. Clean..
3. Tighten the suction tube fitting.
4. Replace the spray tip.
5. Thin the paint.
6. Refer to Causes and Solutions for problem C.
* Special repair kits with instructions are available for these procedures. Refer to the Accessories section of this manual for a list of the kits
and their part numbers.
Daily Maintenance
The only daily maintenance necessary is thorough cleaning and lubricating after usage. Follow the cleaning and lubricating procedures in this
manual.
Extended Maintenance
Some pump parts eventually wear out from use and must be replaced. However, pump performance is the only reliable indicator of when to
replace wear parts. Refer to the Troubleshooting section for more information on when to use these kits.
